This has been designed for use with the EV3 Infrared Seeker Sensor. The beacon emits an infrared signal which the sensor can track. The beacon can also be used as a remote control for the EV3 brick through signals sent to the infrared sensor.
Requires two AAA batteries
Four individual channels
Includes a beacon button and toggle switch to activate/deactivate
Green LED indicating if the beacon is active
Auto power-down if the unit is not in action for one hour